Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

Username is available taken
show password

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


Aggregates inert, granular and inorganic materials that normally consist of stone or stone-like solids
Natural aggregates is collected from the natural deposits without changing their nature during the process of production such as crushing and grinding
Three types of rock igneous rock, sedimentary rock and metamorphic rock
Examples of igneous rock Granite, Perlite, Basalt
Examples of sedimentary rock Sandstone, Limestone
Examples of metamorphic rock Marble, slate
Metamorphism change in form
Manufactured (synthetic) aggregates is synthetic materials as main product or by-product from industries.
Coarse aggregate Aggregate particles that are retained on a 4.75mm sieve which has openings equal to 4.75mm between the sieve wires
Fine aggregate Aggregate particles that pass a 4.75mm sieve and to be retained on 75µm sieve
Lightweight aggregate The unit weight of light weight aggregate is less than 1100kg/m3
Normal weight aggregate The unit weight of normal weight aggregate is in 1520-1680 kg/m3
Heavyweight aggregate Heavyweight concrete contains aggregates that are natural or synthetic with typically density more than 2080kg/m3
Examples of Lightweight aggregate Expanded clay, Perlite
Examples of Normal weight aggregate Granite, Limestone
Examples of Heavyweight aggregate Magnesite limonite, a heavy iron ore
Created by: DrAngusKFC
Popular Engineering sets




Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
restart all cards